May 2 is the 122nd day of the year (123rd in leap years) in the Gregorian calendar. There are 243 days remaining until the end of the year. This date is slightly more likely to fall on a Monday, Wednesday or Saturday (58 in 400 years each) than on Thursday or Friday (57), and slightly less likely to occur on a Tuesday or Sunday (56).

1964 – Vietnam War: An explosion sinks the USS Card while it is docked at Saigon. Viet Cong forces are suspected of placing a bomb on the ship. She is raised and returned to service less than seven months later.